来自李伟琴的问题
8/9-3/8+1/97/9-2/5-5/185/12+3/4+2/31/2+(2/3-1/4)1-1/8-3/105/6-(1/2-1/3)计算要有过程
8/9-3/8+1/97/9-2/5-5/185/12+3/4+2/31/2+(2/3-1/4)1-1/8-3/105/6-(1/2-1/3)计算要有过程
1回答
2020-05-14 19:17
8/9-3/8+1/97/9-2/5-5/185/12+3/4+2/31/2+(2/3-1/4)1-1/8-3/105/6-(1/2-1/3)计算要有过程
8/9-3/8+1/97/9-2/5-5/185/12+3/4+2/31/2+(2/3-1/4)1-1/8-3/105/6-(1/2-1/3)计算要有过程
8/9-3/8+1/9=8/9+1/9-3/8=1-3/8=5/87/9-2/5-5/18=7/9-5/18-2/5=(14-5)/18-2/5=1/2-2/5=(5-2)/10=3/105/12+3/4+2/3=(5+3*3+2*4)/12=22/12=11/6=1又6分之51/2+(2/3-1/4)=1/2-1/4+2/3=1/4+2/3=(3+8)/12=11/121-1/...